Bare-legged Swiftlet vs Ko`oko`olau

Aerodramus nuditarsus compared with Bidens campylotheca

Key Differences

• Bare-legged Swiftlet is Least Concern while Ko`oko`olau is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Ko`oko`olau
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Apodiformes (Apodiformes)	Asterales (Daisies & Sunflowers)
Family	Apodidae	Asteraceae (Daisy Family)
Genus	Aerodramus	Bidens
Species	Aerodramus nuditarsus	Bidens campylotheca

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Ko`oko`olau

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Ko`oko`olau
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-legged Swiftlet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Ko`oko`olau

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Turkey. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.